Osgood-Schlatter disease is a painful swelling of the bump on the front, upper part of the lower leg bone. This bump is called the anterior tibial tubercle.
Osgood-Schlatter disease is thought to be caused by small, usually unnoticed, injuries caused by repeated overuse before growth of the area is complete. The disorder is seen most often in active, athletic adolescents, usually between ages 10 and 15. It is common in adolescents who play soccer, basketball, and volleyball, and who participate in gymnastics. Osgood-Schlatter disease affects more boys than girls.
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